Yasumasa Sakakibara

Yasumasa Sakakibara (1548-19 June 1606) was the daimyo of the Sakakibara clan and a general of the Tokugawa. He was one of the Four Guardian Kings of the Tokugawa, along with Naomasa Ii, Tadakatsu Honda, and and Tadatsugu Sakai. He was given the Tatebayashi Domain after the Battle of Sekigahara in 1600.